Anchor or stay for poles, derricks, &amp;c.



No. 814,229. v PATENTED MAR. 6, 1906'. A. MGGILLIVARY'z E. FEYE. ANCHOR OR STAY FOR POLES, DERRIGKS', Lof

APPLIOTION FILED DEG. 28, 1905;

Ariens MGeiLLivi-inr ann niowann ravit, or denier,

To all whom it mag/concern:

Be it known that we, ANGUs MCGILLWARY,

` amenace easter Foi-i- ,Specification oi Letters Patent.

'Patented March. 6, 1906.

Application filed December 28, 1905. Serial No. 293,583.. I

a subject of the King oi Great Britain, and

. EDWARD FRXE, a citizen of the United States,

both residents of Quincy, county of Norfolk, State of Massachusetts, have invented an improvement in Anchors or Stays for 'with the shank or rod forming a partof the anchor. Fig.. 4 is an enlarged side elevation.

Poles, Derricks', etc., of which the following description, lin connection with .the accompanyin drawings, is a specification, like letters ont e drawin 's representing like parts.' This invention lgias for its object the production-of a novelv anchor or stay tobe driven into the ground andto be utilized to receive chain or rope employed to stay any upright,l

in an anchor having a head provided with a series of grabsand cutting edges located therebelow, also, Ain an anchor comprising' a pointed head, a series of grabs, and a tube provided with a 'collar to act on the inner sides of the grabs and force them outwardly.

Figurel shows our improved anchor-sup-l port, to bedriven into the round for the 4de-f sired distance. 2 is a ike view with the* point ofthe anchor shown as elevated'andvl the grabs turned outwardly into the soil.

Figj shows the tube removed from the head" of the anchor and a chain or cable connected of the head and grabs in their inoperative p ols ition;4 Fig. 5, a plan view'o'f Fig. 4 ,and Fig. 6v

la view similar to Fig. 5 with the grabs occupying theiroperative position.

The anchor comprises, essentially, a pointed head A, a shank B, and a s eries of grabs a.

ber, however, maybe.used,) are represented as hinged to the'hea-d to turn about'pivots a.

The head has. a 'seriesof cutters or-projections a2, thatl cutA intothe' soil as'the ointisdriven thereinto',` said cutters being ocated above the'extremityor point a3 of the` head 'and below the pivotal point ofthe grab on said head.

The upper end of the head is lthreadedA exhole o r lorigitudinalbore threaded interiorly, as represented lin the drawings, to'receive'the screw-threaded VQvsrer 'end of the. shank B..

' l/l/hcn the anchoris to be driven into the ground, the tube C is screwed slightly onto.`

the upper end of the head. This tube has at itsiower end acollar c. With the parts assembled as shown by full lines in Fig. l, and the head. of the anchor drawn into the soil, the useroi the anchor will lay upon the top of the soil a plate or planking QQas shown in Fig. 2, and then apply to the tube the collar D, so Ythat the lower side of the collar will contact with the top of the late, when the collar will be iXed in position y a set-screw D2.l This done, the user of the anchor will apply a suitable wrench or other turning device to the upper squared or other shaped end c of the tube and will rotate the tube. Thelatter through the screw-threads at of the upper part of the head will draw the Maesaonusnrrs.

- its lower end engaging the threaded exterior head andits point upwardly, and at the saine' time the collar c, acting gradually on the ribs .e at the inner sides ot the grabs, will force same outwardly', so thatwhen the tube-h ead has been lifted fromthe position Fig. 1 into ,the position Fig.v 2 the grabs will be thrown Thereafter the out into the position Fig. 2. user of the anchor will turnthe tube 1n an opposite direction, remove the saine from the head, and will take away the vplate'or plank.

This exposes the upper end of the shank hav- -ing the eye b, in which may be hitched any chain or guy-rope, as bz, the 'opposite end of vthe latter extending to any pole or other device which is to beheld in the desired upright' or other position. y In practice there may be i cables connected with the pole to be supported. if the head and tube Care driven into sandy soil, the soil will pack about the tube,

a number of these anchors having chainsor.'V 'I larger hole will beput intoposition to leave .a little space or clearance outside the tube,

whichV will be packed eventually about the shank. I

Having described our invention, what we claim as new, .and'desire to secure by Letters Patent, is-

1.'n apparatus of the class described, a head yhavin apoint p rovlded with a sci-ics of cutters, an a series of grabs pivoted on said head above'said cutters.

2. in apparatus of the classdescribed, a hea-'d having a threaded portion, a series of grabs, and atube engaging said threaded porioo IGI

rrp

tion and'having a projection'to act @nan-d,

turnvsaid grabs outwardly as the tube A is ro'- tated on said threaded portion. i

3. In apparatus of the class described, a

5 head having a series of pivoted grabs and pro-` vided with a threaded rojection, a late toA rest on the ground', a tu e having a eo lar sus-v I A i, head having atA its upper si'de a projection threaded internally an externally, a shank engaging said internallywhreaded portion,

.j and a tribe engaging the externally-threaded portion, a series of grabs pivoted on said head, the rotation of the tube on thethreaded porv tion of the head forcing the grabs outwardly, substantially as described.

l In testimony whereof We have signed our names tol this specification in the presence of two subscribing Witnesses. l y .ANGUS MCGILLIVARY,

EDWARD FRYE.

- Witnesses: A

GEO. W` GREGORY,

MARGARET `A. DUNN. 

